On Friday 3 October, the European association of electricity transmission system operators (ENTSO-E) published its full preliminary report on the major blackout that occurred on 28 April in the Iberian Peninsula, described as “the most severe blackout incident on the European power system in over 20 years” and “the first ever of its kind”.
The report gives a detailed account of the situation on the electricity grid before the blackout, as well as the chronology of events and the...